package com.atguigu.gulimall.auth.controller;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.TypeReference;
import com.atguigu.common.utils.HttpUtils;
import com.atguigu.common.utils.R;
import com.atguigu.gulimall.auth.feign.MemberFeignService;
import com.atguigu.common.vo.MemberRespVo;
import com.atguigu.common.vo.SocialUser;
import lombok.extern.slf4j.Slf4j;
import org.apache.http.HttpResponse;
import org.apache.http.util.EntityUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;

import javax.servlet.http.HttpSession;
import java.util.HashMap;
import java.util.Map;

/**
 * @description:
 * @author: BlueSky
 * @create: 2021-09-23 09:22
 **/
@Slf4j
@Controller
public class OAuth2Controller {

	@Autowired
	MemberFeignService memberFeignService;

	@GetMapping("oauth2.0/weibo/success")
	public String weibo(@RequestParam("code") String code, HttpSession session) throws Exception {
		Map<String,String> map = new HashMap<>();
		map.put("client_id","1083471602");
		map.put("client_secret","ad872b8bfa3c02676b7aea3009a23817");
		map.put("grant_type","authorization_code");
		map.put("redirect_uri","http://gulimall.com/success");
		map.put("code",code);
		//1、根据code换取accessToken;
		HttpResponse response = HttpUtils.doPost("https://api.weibo.com", "/oauth2/access_token", "post", null, null, map);

		//2、处理
		if (response.getStatusLine().getStatusCode()==200){
			//获取到accessToken
			String json = EntityUtils.toString(response.getEntity());
			SocialUser socialUser = JSON.parseObject(json, SocialUser.class);
			//知道当前是哪个社交用户
			//1)、当前用户如果第一次进网站，自动注册进来（为当前社交用户生成一个会员信息账号，以后这个社交账号就对应指定的会员）
			R oauthlogin = memberFeignService.oauthlogin(socialUser);
			if (oauthlogin.getCode()==0){
				MemberRespVo data = oauthlogin.getData(new TypeReference<MemberRespVo>() {});
				System.out.println("登录成功：用户信息"+data);
				log.info("登录成功：用户：{}，",data);
				//1、第一次使用session；命令浏览器保存卡号。JSESSIONID这个cookie;
				//以后浏览器访问那个网站就会带上这个网站的cookie
				//子域之间;gulimall.com	auth.gulimall.com	order.gulimall.com
				//发卡的时候（指定域名为父域名），即使是子域系统发的卡，也能让父域直接使用。
				session.setAttribute("loginUser",data);
				//2、登录成功跳至首页
				return "redirect:http://gulimall.com";
			}else {
				return "redirect:http://auth.gulimall.com/login.html";
			}

		}else {
			return "redirect:http://auth.gulimall.com/login.html";
		}

	}
}
